For the following questions answer them individually
Three bells ring at intervals of 15, 20 and 30 minutes respectively. If they all ring at 11.00 a.m. together, at what lime will ' they next ring together?
Among the following which is a rational number?
A man pays off 3/20th of his debt every month. At the end of 6 months his balance debt is Rs.290. How much debt (in Rupees) has he cleared off every month ?
The LCM and HCF of 2 numbers are 168 and 6 respectively. If one of the numbers is 24, find the other.
Sunil started his journey at 2:33:34 p.m. and reached the destination at 4:43:45 p.m. Anil started the journey 45 mins 27 secs after Sunil and reached the destination 37 mins 16 secs after him. How long did Anil take to complete his journey?